Android Open Source - Operation-Valkyrie Ascii

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License

The source code is released under:

Terms and conditions Preamble: This Agreement, signed on Jun 10, 2012 [hereinafter: Effective Date] governs the relationship between the Enduser, a private person, (hereinafter: Licensee) and Paul N...

Java Source Code

package valkyrie.filter.ascii;
/*from   w  w  w  .j ava  2s  .  com*/
import java.util.Vector;

import org.opencv.core.Mat;
import org.opencv.highgui.Highgui;

import valkyrie.colorpicker.ColorPicker;
import valkyrie.filter.FilterAssets;
import valkyrie.filter.FilterInternalStorage;
import valkyrie.filter.IFilter;
import valkyrie.main.R;
import valkyrie.ui.MainActivity;
import android.app.Activity;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.util.Log;
import android.view.LayoutInflater;
import android.widget.CompoundButton;
import android.widget.SeekBar;
import android.widget.TableLayout;
import android.widget.ToggleButton;

/**
 * 
 * COPYRIGHT: Paul Neuhold, Laurenz Theuerkauf, Alexander Ritz, Jakob
 * Schweighofer, Milo Tischler ? Milo Tischler, Jakob Schweighofer, Alexander
 * Ritz, Paul Neuhold, Laurenz Theuerkauf
 * 
 */

/**
 * The Ascii class handles the Ascii filter classes like fonts and converter
 * 
 * @author Paul Neuhold, Laurenz Theuerkauf, Alexander Ritz, Jakob
 * Schweighofer, Milo Tischler 
 *
 */
public class Ascii implements IFilter {
  public static final String TAG = "Ascii";

  private Font activeFont;
  private Converter converter;
  private TableLayout layout;
  private SharedPreferences options;

  private Vector<Font> fonts;
  private String fontsList[] = { "test1" };

  public static final String name = "ascii";
  private boolean colorMode;

  public Ascii() {
    this.fonts = new Vector<Font>();
    for (String name : this.fontsList) {
      this.fonts.add(new Font(name, true));
    }

    this.activeFont = this.fonts.get(0);

    this.converter = new Converter();
  }

  /**
   * creates ascii image out of source for realtime preview very fast :)
   * color and graysale can be switched
   * @param Mat
   * @return Bitmap
   */
  public Bitmap manipulatePreviewImage(Mat bitmapMat) {
    if (this.colorMode) {
      return this.converter.colorToASCII(bitmapMat, this.activeFont.getInvertLUT());
    } else {
      return this.converter.grayscaleToASCII(bitmapMat, this.activeFont.getLUT());
    }
  }

  /**
   * creates ascii image out of source matrix for shot image
   * fast version not implemented yet
   */
  public Bitmap manipulateImage(Mat bitmapMat) {
    if (this.colorMode) {
      return this.converter.colorToASCII(bitmapMat, this.activeFont.getInvertLUT());
    } else {
      return this.converter.grayscaleToASCII(bitmapMat, this.activeFont.getLUT());
    }
  }

  public int getFilterCaptureFormat() {
    if (this.colorMode) {
      return Highgui.CV_CAP_ANDROID_COLOR_FRAME_RGB;
    } else {
      return Highgui.CV_CAP_ANDROID_GREY_FRAME;
    }
  }

  /**
   * Returns the defined UI-Elements for the Options Panel as whole
   * RelativeLayout. TODO: vl hamma hier falsch herum gedacht, es w?re wsh eine methode setUIElements besser,
   * bei dieser bekommt der filter sein inflatetes layout und kann nachher die listener drauf setzen und braucht somit
   * kein context objekt mehr!
   * 
   * @param mainActivity
   *            Activity, the main activity of the Program. Gives us access to
   *            the LayoutInflater.
   */
  public TableLayout getUIElements(Activity mainActivity) {
    final LayoutInflater inflater = (LayoutInflater) mainActivity
        .getSystemService(MainActivity.LAYOUT_INFLATER_SERVICE);

    this.layout = (TableLayout) inflater.inflate(R.layout.ascii, null);

    ColorPicker backgroundcolorPicker = (ColorPicker) this.layout.findViewById(R.id.backgroundcolor);

    backgroundcolorPicker.setColorChangeListener(new ColorPicker.ColorChangeListener() {

      public void colorChanged(int color) {
        converter.setBackgroundcolor(color);
      }
    });

    ColorPicker foregroundcolorPicker = (ColorPicker) this.layout.findViewById(R.id.foregroundcolor);

    foregroundcolorPicker.setColorChangeListener(new ColorPicker.ColorChangeListener() {

      public void colorChanged(int color) {
        converter.setForegroundColor(color);
      }
    });

    SeekBar fontsizeSeekBar = (SeekBar) this.layout.findViewById(R.id.ascii_option_fontsize);
    fontsizeSeekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {

      public void onStopTrackingTouch(SeekBar seekBar) {

      }

      public void onStartTrackingTouch(SeekBar seekBar) {

      }

      public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) {
        converter.setFontSize(progress);
      }
    });
    
    ToggleButton colorModeButton = (ToggleButton) this.layout.findViewById(R.id.color_mode);
    colorModeButton.setOnCheckedChangeListener(new ToggleButton.OnCheckedChangeListener() {
      
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        colorMode = isChecked;
      }
    });

    return this.layout;
  }

  public String getName() {
    return this.getClass().getSimpleName();
  }

  public Bitmap getIcon() {
    return null;
  }

  public void setup(FilterInternalStorage filterInternalStorage, FilterAssets filterAssets, Boolean firstRun) {

  }
}

Java Source Code List

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